Project Number Date
test_Tails_ISO_stable 5088 10 Sep 2024, 08:40

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 12:4.297 Passed
Tags: @product @slow @not_release_blocker
Feature System memory erasure on shutdown
As a Tails user when I shutdown Tails I want the system memory to be free from sensitive data.
Tags: @product @slow @not_release_blocker
21.962
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.693
And I prepare Tails for memory erasure tests 1.288
When I start a process allocating 128 MiB of memory with a known pattern 1.248
Then patterns cover at least 128 MiB in the guest's memory 3.960 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.817
Then I find very few patterns in the guest's memory after 3 seconds 5.953 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:326 0.800
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.435
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.139
And I prepare Tails for memory erasure tests 0.475
And I find very few patterns in the guest's memory 2.720 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.542
Then patterns cover at least 99% of the test FS size in the guest's memory 4.270 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 2.876
Then I find very few patterns in the guest's memory after 3 seconds 6.409 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
After features/support/hooks.rb:326 3.549
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:2.743
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 22.059
And I prepare Tails for memory erasure tests 0.684
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.282
Then I find very few patterns in the guest's memory 2.864 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.265
Then patterns cover at least 75% of the test FS size in the guest's memory 3.460 
Pattern coverage: 87.966% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.287
Then I find very few patterns in the guest's memory after 3 seconds 6.146 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 0.276
And I read the content of the test FS 0.957
Then patterns cover at least 99% of the test FS size in the guest's memory 4.220 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.608
Then I find very few patterns in the guest's memory after 3 seconds 6.630 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 1.577
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:32.318
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.467
And I prepare Tails for memory erasure tests 0.557
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.180
Then I find very few patterns in the guest's memory 2.754 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.995
Then patterns cover at least 99% of the test FS size in the guest's memory 2.838 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.161
Then I find very few patterns in the guest's memory after 3 seconds 5.424 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# read cache
When I mount the USB drive again 20.902
And I read the content of the test FS 0.443
Then patterns cover at least 99% of the test FS size in the guest's memory 5.048 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.360
Then I find very few patterns in the guest's memory after 3 seconds 6.182 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:326 0.890
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.224
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.463
And I prepare Tails for memory erasure tests 0.545
When I fill a 128 MiB file with a known pattern on the root filesystem 15.513
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.082
Then patterns cover at least 128 MiB in the guest's memory 2.821 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.044
Then I find very few patterns in the guest's memory after 20 seconds 20.754 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 3.502
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:49.612
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:3.746
And I prepare Tails for memory erasure tests 0.446
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.222
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.185 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 3.517
After features/support/hooks.rb:100 0.012